General items: Import and export of goods, import and export of technology, import and export agents, sales agents, machinery and equipment sales, mining Mountain machinery sales, mechanical and electrical equipment sales, pump and vacuum equipment sales, agricultural machinery sales, oil drilling and production Equipment sales, tire sales, metal products sales, metal material sales, office equipment sales, furniture parts Parts sales, daily necessities sales, auto parts retail, motorcycle and spare parts retail, lubricating oil sales, daily use Home appliance retail, Internet equipment sales, computer hardware and software and auxiliary equipment retail, communication equipment sales, hardware Product retail, sales of building decoration materials, sales of valves and cocks, sales of mechanical parts and parts, packaging materials Sales of materials and products, sales of synthetic materials, sales of fasteners, sales of seals, sales of metal accessories for construction, Sales of forgings and powder metallurgy products, sales of electronic special materials, sales of electronic vacuum devices, and electronic special equipment Sales, sales of electronic components and electromechanical components and equipment, sales of electronic measuring instruments, sales of power electronic components Sales, spring sales, sales of architectural ceramic products, sales of electronic products, sales of lighting appliances, graphite and carbon Product sales, sealing filler sales, paper product sales, plastic product sales, refractory material sales, building materials Sales, sales of daily ceramic products, sales of asbestos products, sales of non-metallic minerals and products, sales of chemical products (Excluding licensed chemical products), sales of petroleum products (excluding hazardous chemicals) (except for those subject to approval in accordance with the law) Outside the project, independently carry out business activities in accordance with the law with the business license)